id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
copiale-v3-0290 | F1 L0 S9 J6 J3 E3 C7 B8 C7 R0 E6 J4 A2 U6 F9 A5 V3 G4 N2 A2 E6 D4 Y0 E3 O4 P5 C5 J8 W2 D0 M8 J6 D6 K6 R7 B8 T4 D6 I0 G1 A3 H3 U9 U6 B9 W5 T4 A1 N6 Y0 S6 J4 M7 V2 A3 L0 J9 I2 V7 Z2 P3 A1 W4 D0 I0 U1 Y8 D0 W5 V2 W2 Q1 V3 H0 V7 E3 S6 O0 E7 R7 J3 M4 U1 O4 E0 | F1 L0 S9 J6 J3 E3 C7 B8 C7 R0 E6 J4 A2 U6 F9 A5 V3 G4 N2 A2 E6 D4 Y0 E3 O4 P5 C5 J8 W2 D0 M8 J6 D6 K6 R7 B8 T4 D6 I0 G1 A3 H3 U9 U6 B9 W5 T4 A1 N6 Y0 S6 J4 M7 V2 A3 L0 J9 I2 V7 Z2 P3 A1 W4 D0 I0 U1 Y8 D0 W5 V2 W2 Q1 V3 H0 V7 E3 S6 O0 E7 R7 J3 M4 U1 O4 E0 | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 170 | 254 | cipher_museum | 2.0 | public | null | null |
voynich-render-v3-0047 | kg kx o gqzgc zrkvdqxoffu oyprijfdehde gcog o xkrhfd lor kr nixxdxxkir is o siqgzrd lzxg ad kr jorg is o jksd | kg kx o gqzgc zrkvdqxoffu oyprijfdehde gcog o xkrhfd lor kr nixxdxxkir is o siqgzrd lzxg ad kr jorg is o jksd | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 88 | 109 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-032 | TZCYVXTDQHVYVDLEACUXQPCOKZBIIXEYXUWRNHUFGHZGQ | TZCYVXTDQHVYVDLEACUXQPCOKZBIIXEYXUWRNHUFGHZGQ | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "3,1,5,2,4,6"
} | expert | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
wheatstone-v3-0035 | QHRTKKDRATDDO | QHRTKKDRATDDO | THE APPLE FALLS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0155 | HSKQGIVYXOLRINYFBEZES | HSKQGIVYXOLRINYFBEZES | PATIENCE BRINGS VICTORY | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0329 | BIRNJIWULIXPUPODOEBCAQBATAILWWYFQQGEOWAEHINGEAKYEFWITUWNSEYBGNOAHTBFOUDVBUWER | BIRNJIWULIXPUPODOEBCAQBATAILWWYFQQGEOWAEHINGEAKYEFWITUWNSEYBGNOAHTBFOUDVBUWER | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0013033 | ⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a... | ⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | babington | babington | null | {} | hard | en | 110 | 110 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
m94-v2-0250 | AGGBORPECUCZNRSNQCKVAZ | AGGBORPECUCZNRSNQCKVAZ | FLEET ASSEMBLES AT HARBOR | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0016506 | 20 8 5 6 15 21 18 19 17 21 1 18 5 3 9 16 8 5 18 21 19 5 19 20 23 15 11 5 25 23 15 18 4 16 15 12 25 2 9 21 19 19 17 21 1 18 5 19 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 | 20 8 5 6 15 21 18 19 17 21 1 18 5 3 9 16 8 5 18 21 19 5 19 20 23 15 11 5 25 23 15 18 4 16 15 12 25 2 9 21 19 19 17 21 1 18 5 19 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 103 | 103 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0015936 | ⟨a13⟩ ⟨w20⟩ ⟨w20⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w32⟩ ⟨a11⟩ ⟨w32⟩ ⟨a01⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w14⟩ ⟨a29⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w... | ⟨a13⟩ ⟨w20⟩ ⟨w20⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w32⟩ ⟨a11⟩ ⟨w32⟩ ⟨a01⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w14⟩ ⟨a29⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | babington | babington | null | {} | hard | en | 198 | 198 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
kryptos-v2-0057 | PPEXWTWPJUCYPUBQXYZZTZCEIYHEQRBKFEFHWOMHKPHPKQKKDYMPFRUNKJYYRALJFJJYMLV | PPEXWTWPJUCYPUBQXYZZTZCEIYHEQRBKFEFHWOMHKPHPKQKKDYMPFRUNKJYYRALJFJJYMLV | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0005144 | VHZOA ESORNPYS AIGCHG FVCHYR FVAK OYY ESOGBAWAU EHNCF GVS JVTSASDS QVCUSD IFRF N ESDNNGVAU YNLJBER YNEQXVANSF CEWNQVCYR FOMF GVR FKGGRZ ZHEH PR FRQGFN RIRA WN NASZL YBBJF NYUCEVGUZ FVN QSGSQHVIS FGGRVRF COFHNEAF PSNBES ZOYWAT QYOWAF CSEVODF | VHZOA ESORNPYS AIGCHG FVCHYR FVAK OYY ESOGBAWAU EHNCF GVS JVTSASDS QVCUSD IFRF N ESDNNGVAU YNLJBER YNEQXVANSF CEWNQVCYR FOMF GVR FKGGRZ ZHEH PR FRQGFN RIRA WN NASZL YBBJF NYUCEVGUZ FVN QSGSQHVIS FGGRVRF COFHNEAF PSNBES ZOYWAT QYOWAF CSEVODF | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE VIGENERE CIPHER USES A REPEATING KEYWORD KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS PERHAPS | porta | porta | null | {
"key": "LIBRARY"
} | hard | en | 205 | 205 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
enigma-v3-0364 | RWZFUKJMLAGEDOUDPMYHBTMZUMRXQLAMWVSSFDTLTCVDQWDFHMIAADHTFLYXHGZGJEWSGOOFA | RWZFUKJMLAGEDOUDPMYHBTMZUMRXQLAMWVSSFDTLTCVDQWDFHMIAADHTFLYXHGZGJEWSGOOFA | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0005181 | TSSHEEOLHTOORMDSELNWEEFXBESWTTAXESSHHHIX | TSSHEEOLHTOORMDSELNWEEFXBESWTTAXESSHHHIX | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | scytale | scytale | null | {
"cols": 5
} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cda-0017362 | 66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82 66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11... | 66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82 66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11... | THE MESSAGE WAS HIDDEN BUT NOT SECURE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HONESTLY | wallis_cipher | wallis_cipher | null | {} | hard | en | 144 | 144 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
vigenere-v3-1017 | CBWFWNIKOJBMFHNYHBVVLNCFMMNPRAWGKGEPYFVGREBMWWDKXJFKXKTICMLHBJIXNZXZUMMYXHZAIJLK | CBWFWNIKOJBMFHNYHBVVLNCFMMNPRAWGKGEPYFVGREBMWWDKXJFKXKTICMLHBJIXNZXZUMMYXHZAIJLK | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0541 | RGAFOLETLAUTRINFGTTURDLXUFULDODQLRIDPLHVHIDGPKRBTKDCRPIXIPHNDHWACRERXCRDPRK | RGAFOLETLAUTRINFGTTURDLXUFULDODQLRIDPLHVHIDGPKRBTKDCRPIXIPHNDHWACRERXCRDPRK | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
affine-v2-1029 | ABKE DZWUYJH | ABKE DZWUYJH | KNOW THYSELF | affine | affine | substitution | {
"a": 9,
"b": 14
} | beginner | en | 11 | 12 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0313 | ITISBETTERTOREMAINSILENTANDBETHOUGHTAFOOLTHANTOSPEAKANDREMOVEALLDOUBT | ITISBETTERTOREMAINSILENTANDBETHOUGHTAFOOLTHANTOSPEAKANDREMOVEALLDOUBT | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0240 | YMJ XMTY MJFWI WTZSI YMJ BTWQI | YMJ XMTY MJFWI WTZSI YMJ BTWQI | THE SHOT HEARD ROUND THE WORLD | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 25 | 30 | cipher_museum | 2.0 | public | null | null |
copiale-050 | Q7 I8 S5 W2 H4 O0 L7 Q2 T3 W2 H4 T6 O4 D1 Q2 B6 B5 C2 V0 T4 B5 I3 M9 Y3 N1 N5 V5 Y4 R8 S1 O5 K7 O5 Q9 G9 H1 Q7 W8 C2 P3 T6 R5 S9 O4 D8 T6 V1 Z7 L7 W7 L4 V6 W8 O0 Z6 | Q7 I8 S5 W2 H4 O0 L7 Q2 T3 W2 H4 T6 O4 D1 Q2 B6 B5 C2 V0 T4 B5 I3 M9 Y3 N1 N5 V5 Y4 R8 S1 O5 K7 O5 Q9 G9 H1 Q7 W8 C2 P3 T6 R5 S9 O4 D8 T6 V1 Z7 L7 W7 L4 V6 W8 O0 Z6 | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | copiale | copiale | substitution | {
"type": "keyword",
"value": "COPIALE"
} | advanced | en | 110 | 164 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-064 | YLUKLGCVBZHATPKUPNOA | YLUKLGCVBZHATPKUPNOA | RENDEZVOUS AT MIDNIGHT | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "CIPHER"
} | beginner | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
bifid-vg-0077 | SEEMSCHOKTSGNQCQKABOGUVTABGGHGHRSEQEAYHIKTVLQLQQYDTNSUDDAONUKYTGEAOA | SEEMSCHOKTSGNQCQKABOGUVTABGGHGHRSEQEAYHIKTVLQLQQYDTNSUDDAONUKYTGEAOA | THE ENEMY SHALL NOT PASS THIS GATE FOR GOD AND COUNTRY WE STAND FIRM TOGETHER AS ONE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0108 | MADVMOLERICAZINRCEBUREXNNGULYRYBEZOHBVEPCMEKKGIDMEVXNIHISNROTSAMMYSUTYMCYBAIFPIMECJXLITAJRRGETIAVCARADIMDLJATAMGRIIZIIJTIWEBLEMDRUFOQIIDMQAEXGH | MADVMOLERICAZINRCEBUREXNNGULYRYBEZOHBVEPCMEKKGIDMEVXNIHISNROTSAMMYSUTYMCYBAIFPIMECJXLITAJRRGETIAVCARADIMDLJATAMGRIIZIIJTIWEBLEMDRUFOQIIDMQAEXGH | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-070 | RPLIETIIJDMDBMEPRVTMM | RPLIETIIJDMDBMEPRVTMM | THE PACKAGE IS DELIVERED | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
lorenz-v2-0150 | VENIVIDIVICI | VENIVIDIVICI | VENI VIDI VICI | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0013088 | YPCHO LQOKE EDYOK EEDYC HOLQO KEDYD ARALO KSHYS HARAL QOKED YYKCH EOLYK CHEOL YTAII NOKAL SHEED YRCHE OLOTA IINSH EOLCH EDALO RORCT AIINS HALAI IINCH EOLOK AINCH OLDAI INCHO LKAII INRAI INCHO RDAIN YDALO KAINO TAIIN OKAIN RAIIN CHEDY RAIIN SHEOL ORORQ OTEDY YPCHO LSHEO LRAII NSHED YOROR OKALS HEEDY OKALD AIINQ OKALY TA... | YPCHO LQOKE EDYOK EEDYC HOLQO KEDYD ARALO KSHYS HARAL QOKED YYKCH EOLYK CHEOL YTAII NOKAL SHEED YRCHE OLOTA IINSH EOLCH EDALO RORCT AIINS HALAI IINCH EOLOK AINCH OLDAI INCHO LKAII INRAI INCHO RDAIN YDALO KAINO TAIIN OKAIN RAIIN CHEDY RAIIN SHEOL ORORQ OTEDY YPCHO LSHEO LRAII NSHED YOROR OKALS HEEDY OKALD AIINQ OKALY TA... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION TOMORROW | voynich_render | voynich_render | null | {} | hard | en | 270 | 270 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
four-square-v2-0288 | RNGWDDODMMGQELIIRPFQSSQPCSLUKMIEIGGKMBQLGBAALTIODLQRIRPLIMMSAQHLKCLUQDZIGKXW | RNGWDDODMMGQELIIRPFQSSQPCSLUKMIEIGGKMBQLGBAALTIODLQRIRPLIMMSAQHLKCLUQDZIGKXW | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0165 | VKVXHBMWZDVWGYNLFYCKAVCBGTUCEMXFCACCLQVTTAQKEVEQZWRDRAPZXTYAGWADOSUAYOCHPJ | VKVXHBMWZDVWGYNLFYCKAVCBGTUCEMXFCACCLQVTTAQKEVEQZWRDRAPZXTYAGWADOSUAYOCHPJ | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0402 | MJN QYAMJVRI CRARVUS XJUZX MJRM PUFFYXYUEX YE JRXJ LOEPMYUEX UPPOA LRA XUUENA MJRE NSCNPMNV | MJN QYAMJVRI CRARVUS XJUZX MJRM PUFFYXYUEX YE JRXJ LOEPMYUEX UPPOA LRA XUUENA MJRE NSCNPMNV | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 78 | 91 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0153 | YCHYOFIQSANSAPIITMOVKDBXBATKJHWFNMAQQFCDGBEQEEMVSUNCLDVWNIIZWXUDMDNDYUT | YCHYOFIQSANSAPIITMOVKDBXBATKJHWFNMAQQFCDGBEQEEMVSUNCLDVWNIIZWXUDMDNDYUT | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0004936 | CRRE ERIV RJNA QERC EBQH PVOV YVGL ZNGG REVA ERFR NEPU | CRRE ERIV RJNA QERC EBQH PVOV YVGL ZNGG REVA ERFR NEPU | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0013292 | .... ... . ..... . ... .... ..... .... .. .. .... .... .... ..... .... . ... ... . . . .. .... ... .. .... ... .... ... .. ... ... .... .... ..... ... . . .... . .. . ..... .... .... . ..... .... ... .... .... . ..... . .... .... ..... ... ... . .... . ..... .... .. .... ... . ... ...... | .... ... . ..... . ... .... ..... .... .. .. .... .... .... ..... .... . ... ... . . . .. .... ... .. .... ... .... ... .. ... ... .... .... ..... ... . . .... . .. . ..... .... .... . ..... .... ... .... .... . ..... . .... .... ..... ... ... . .... . ..... .... .. .... ... . ... ...... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY | tap_code | tap_code | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
confederate-vigenere-v2-0080 | FHRJLENXRJPEPNHVWMLVSLBTFSXZSUMNQVOIXBVDMMRPAWZHAVFHSQYXZAMJTAAFPAGKOVMCUPPKZM | FHRJLENXRJPEPNHVWMLVSLBTFSXZSUMNQVOIXBVDMMRPAWZHAVFHSQYXZAMJTAAFPAGKOVMCUPPKZM | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
kama-sutra-096 | TKK AWV HFUKQB T BATNV TGQ TKK AWV JVG TGQ HFJVG JVUVKI XKTIVUB | TKK AWV HFUKQB T BATNV TGQ TKK AWV JVG TGQ HFJVG JVUVKI XKTIVUB | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 51 | 63 | cipher_museum | 0.2 | public | null | null |
copiale-v2-0347 | T4 R0 V3 J8 U1 P5 U9 V4 Y0 E1 U1 T2 A5 D4 F9 V6 U1 G4 U0 Q5 S9 K5 U8 G2 I0 O9 G1 E0 Q6 K6 I0 F5 K5 O7 A3 B8 T4 D6 E6 G1 I0 S6 Y0 Y8 A3 D6 G3 U8 J9 K2 U1 B8 T2 F9 W5 J8 U8 E6 V7 J8 W6 A4 Y8 V4 F1 V0 F5 K6 A7 V2 P3 V4 K2 W2 Q1 P9 G0 D3 I5 M7 H3 K8 | T4 R0 V3 J8 U1 P5 U9 V4 Y0 E1 U1 T2 A5 D4 F9 V6 U1 G4 U0 Q5 S9 K5 U8 G2 I0 O9 G1 E0 Q6 K6 I0 F5 K5 O7 A3 B8 T4 D6 E6 G1 I0 S6 Y0 Y8 A3 D6 G3 U8 J9 K2 U1 B8 T2 F9 W5 J8 U8 E6 V7 J8 W6 A4 Y8 V4 F1 V0 F5 K6 A7 V2 P3 V4 K2 W2 Q1 P9 G0 D3 I5 M7 H3 K8 | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 164 | 245 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0177 | 18 09 03 08 13 15 14 04 08 01 19 06 01 12 12 05 14 15 21 18 06 15 18 03 05 19 08 01 22 05 05 14 20 05 18 05 04 60 03 09 20 25 18 05 19 09 19 20 01 14 03 05 09 19 05 14 04 05 04 09 14 06 15 18 13 60 16 18 05 19 09 04 05 14 20 | 18 09 03 08 13 15 14 04 08 01 19 06 01 12 12 05 14 15 21 18 06 15 18 03 05 19 08 01 22 05 05 14 20 05 18 05 04 60 03 09 20 25 18 05 19 09 19 20 01 14 03 05 09 19 05 14 04 05 04 09 14 06 15 18 13 60 16 18 05 19 09 04 05 14 20 | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0197 | GDGGAADFDAFGAXAGDDGXDDGAXAGAGGGGGDGAXDXGAGDGXAFXDXXGADADAAAGFDAAAAAGGGGDAAXDXGXAXAFFAADAADFAXAFGFFAAXAFAFDDADAGXDGDGXDDGDDXGFFFGAGAAADGDXFXDAAAGAFADAGADAAGGFDAFAX | GDGGAADFDAFGAXAGDDGXDDGAXAGAGGGGGDGAXDXGAGDGXAFXDXXGADADAAAGFDAAAAAGGGGDAAXDXGXAXAFFAADAADFAXAFGFFAAXAFAFDDADAGXDGDGXDDGDDXGFFFGAGAAADGDXFXDAAAGAFADAGADAAGGFDAFAX | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
cda-0003094 | RQIO YRVV DKWP SMYD MPPC LOHF VHOH FTWW ISOI JGBZ LPR | RQIO YRVV DKWP SMYD MPPC LOHF VHOH FTWW ISOI JGBZ LPR | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | gronsfeld | gronsfeld | null | {
"key": "31416"
} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
arnold-andre-v3-0020 | 13.1.1 14.2.2 14.3.5 14.3.2 14.1.4 15.1.1 13.1.1 14.2.1 14.4.3 14.3.5 14.3.3 15.1.1 13.1.1 14.3.2 14.1.5 14.1.1 14.1.4 15.1.1 | 13.1.1 14.2.2 14.3.5 14.3.2 14.1.4 15.1.1 13.1.1 14.2.1 14.4.3 14.3.5 14.3.3 15.1.1 13.1.1 14.3.2 14.1.5 14.1.1 14.1.4 15.1.1 | GOLD FROM LEAD | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 108 | 125 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0344 | AIYISNKOLIZACEOXBPPYZNBFW | AIYISNKOLIZACEOXBPPYZNBFW | THE SHOT HEARD ROUND THE WORLD | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cda-0004388 | WII SGLM JFTFF GJVKFV XXLUIT ZHYX JT D AMHFDH TBZWFVO ZKF ESIKJXFIWVVF YKPYMJ PBOF SLTYTK KBVEKU B WUXROK DRDJQ OKHEW TZUPRH KYJHFTFF EO GIGMOK FJTIKU BTQRLFW B RLOIBX IVRDZLPR UU HBGI RHUXFX | WII SGLM JFTFF GJVKFV XXLUIT ZHYX JT D AMHFDH TBZWFVO ZKF ESIKJXFIWVVF YKPYMJ PBOF SLTYTK KBVEKU B WUXROK DRDJQ OKHEW TZUPRH KYJHFTFF EO GIGMOK FJTIKU BTQRLFW B RLOIBX IVRDZLPR UU HBGI RHUXFX | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER A STRONG CLAIM NEEDS STRONG EVIDENCE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | gronsfeld | gronsfeld | null | {
"key": "31416"
} | hard | en | 160 | 160 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
cda-0003334 | JPMT EQRO FZWA GZMQ PMCY BTIM DYBB QMPJ SGRB DSPK MAQM MMVB GYTB JMMH TQUS KLYI OQPH UQQV HPOL UZGW FIVM FASQ IZCT TQPK KWIM TBGE UIUB TVOO ETCP NVGM FZTB TWPN FDKL GUDM | JPMT EQRO FZWA GZMQ PMCY BTIM DYBB QMPJ SGRB DSPK MAQM MMVB GYTB JMMH TQUS KLYI OQPH UQQV HPOL UZGW FIVM FASQ IZCT TQPK KWIM TBGE UIUB TVOO ETCP NVGM FZTB TWPN FDKL GUDM | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A STRONG CLAIM NEEDS STRONG EVIDENCE | gronsfeld | gronsfeld | null | {
"key": "271828"
} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
kama-sutra-v3-0288 | QCLZYE KG QCLWY ZYETMMZRTYUT RWEQTGZYR GTMZTF KY JTGFKYWM UKYEWUE WYX QCLWY FKCGUTF ZY EQT SZTMX | QCLZYE KG QCLWY ZYETMMZRTYUT RWEQTGZYR GTMZTF KY JTGFKYWM UKYEWUE WYX QCLWY FKCGUTF ZY EQT SZTMX | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 82 | 96 | cipher_museum | 2.0 | public | null | null |
running-key-047 | IILHLWXZIHCXHHC | IILHLWXZIHCXHHC | MEET AT THE OLD OAK | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Declaration paraphrase"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0006108 | HVODR WKHLJ LWQBI IFLLL BJQIB RHPYD PQXLI BYYUA UHJVH LWVAP YQSIK IXJJA PNKWB UOQUK TRNCN BCOOT KWMTT ZXJDE QEBLE IVLBZ HMZQE BMPSS UHTYR LNRHX SJMUM OEQSS IPP | HVODR WKHLJ LWQBI IFLLL BJQIB RHPYD PQXLI BYYUA UHJVH LWVAP YQSIK IXJJA PNKWB UOQUK TRNCN BCOOT KWMTT ZXJDE QEBLE IVLBZ HMZQE BMPSS UHTYR LNRHX SJMUM OEQSS IPP | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | trithemius | trithemius | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
confederate-vigenere-v3-0079 | EITPHPKBRKQLYKNIFVIFDSVIPRLBRMALIGZMFMIIOECVPSFTRUMNNNFWALSWQLREAVGGMTOOZOBRAVEKUOAU | EITPHPKBRKQLYKNIFVIFDSVIPRLBRMALIGZMFMIIOECVPSFTRUMNNNFWALSWQLREAVGGMTOOZOBRAVEKUOAU | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
scytale-113 | LGHEHETTSJHTUEASHRTESIAGCVOEEDBNAESRDFKOAFNLOELRTAEHNVODEUTR | LGHEHETTSJHTUEASHRTESIAGCVOEEDBNAESRDFKOAFNLOELRTAEHNVODEUTR | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | scytale | scytale | transposition | {
"type": "integer",
"value": 3
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0015168 | AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AABAA ABBAA AAABA ABBAB AAABB AABAA AAABB ABABA AABAA BAABA BA... | AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AABAA ABBAA AAABA ABBAB AAABB AABAA AAABB ABABA AABAA BAABA BA... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | bacon_cipher | bacon_cipher | null | {} | hard | en | 430 | 430 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
red-type-a-v3-0347 | GPUIQPVONUWJX | GPUIQPVONUWJX | THE APPLE FALLS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0055 | WOEWEIENLOLUICOSLTAASDRNEHREEDINIIIUSINAANILEOCINTDBTETTNIIGIMIGSIBECHSCTNERLS | WOEWEIENLOLUICOSLTAASDRNEHREEDINIIIUSINAANILEOCINTDBTETTNIIGIMIGSIBECHSCTNERLS | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0074 | 619533584164251131297670508485320322617056421209272112356138242542320282874842520237228280461324425957234 | 619533584164251131297670508485320322617056421209272112356138242542320282874842520237228280461324425957234 | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 105 | 105 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0002 | 26182 26180 26197 26199 26187 26180 26186 26184 26192 26100 26198 26199 26181 26184 26183 26184 26198 26199 26197 26194 26104 26184 26183 | 26182 26180 26197 26199 26187 26180 26186 26184 26192 26100 26198 26199 26181 26184 26183 26184 26198 26199 26197 26194 26104 26184 26183 | CARTHAGE MUST BE DESTROYED | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 115 | 137 | cipher_museum | 2.0 | public | null | null |
cda-0019347 | ABEGOIWDJHFYRHYQFWVPXVXENDEXWSVHMUDQBQRMOIDWTONJDKCYGVEEFMBHYREMESBKEQXCMHFVVFRLMMKAPHVNBNJZTUJDKEDNCUCVYFEECQNUDSBKTFVJHMHROSOJBCGHNPAIIDBWFO | ABEGOIWDJHFYRHYQFWVPXVXENDEXWSVHMUDQBQRMOIDWTONJDKCYGVEEFMBHYREMESBKEQXCMHFVVFRLMMKAPHVNBNJZTUJDKEDNCUCVYFEECQNUDSBKTFVJHMHROSOJBCGHNPAIIDBWFO | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | one_time_pad | one_time_pad | null | {} | hard | en | 142 | 142 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
joseon-yeokhak-v3-0370 | LZWDAYZLQGMKWWXJGEVAKLSFLKLSJKDWXLLZGKWKMFKLZGMKSFVKGXQWSJKTWXGJWQGMJTAJLZ | LZWDAYZLQGMKWWXJGEVAKLSFLKLSJKDWXLLZGKWKMFKLZGMKSFVKGXQWSJKTWXGJWQGMJTAJLZ | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0208 | 60 22 05 14 15 14 01 16 18 15 10 05 03 20 23 08 09 03 08 18 01 14 06 18 15 13 14 09 14 05 20 05 05 14 06 15 18 20 25 20 08 18 05 05 63 14 09 14 05 20 05 05 14 05 09 07 08 20 25 04 05 03 18 25 16 20 05 04 20 08 15 21 19 01 14 04 19 62 19 15 22 09 05 20 09 14 20 05 12 12 09 07 05 14 03 05 13 05 19 19 01 07 05 19 18 05 22... | 60 22 05 14 15 14 01 16 18 15 10 05 03 20 23 08 09 03 08 18 01 14 06 18 15 13 14 09 14 05 20 05 05 14 06 15 18 20 25 20 08 18 05 05 63 14 09 14 05 20 05 05 14 05 09 07 08 20 25 04 05 03 18 25 16 20 05 04 20 08 15 21 19 01 14 04 19 62 19 15 22 09 05 20 09 14 20 05 12 12 09 07 05 14 03 05 13 05 19 19 01 07 05 19 18 05 22... | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 336 | 503 | cipher_museum | 2.0 | public | null | null |
cda-0014181 | 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 24 43 11 45 43 15 21 45 31 13 31 45 15 15 51 15 42 54 43 54 43 44 15 32 33 15 15 14 43 11 33 23 34... | 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 24 43 11 45 43 15 21 45 31 13 31 45 15 15 51 15 42 54 43 54 43 44 15 32 33 15 15 14 43 11 33 23 34... | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | polybius | polybius | null | {} | hard | en | 122 | 122 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
lorenz-v2-0189 | ITISBETTERTOREMAINSILENRANDBETHOUGHTAFOOLTHANTOSPEAKANBREMOVEALLDOUBT | ITISBETTERTOREMAINSILENRANDBETHOUGHTAFOOLTHANTOSPEAKANBREMOVEALLDOUBT | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0046 | ZDCRMQKOCKLKCUDERYBOEGZAELFLCLUKULGVCKZNUGAUKCOLZKSEFROLFLCLXLRXLZCU | ZDCRMQKOCKLKCUDERYBOEGZAELFLCLUKULGVCKZNUGAUKCOLZKSEFROLFLCLXLRXLZCU | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0015662 | 16.1.6 12.27.12 9.15.14 13.4.5 14.46.11 9.3.13 16.48.8 19.3.15 20.43.8 20.38.8 7.14.5 13.33.14 4.42.15 19.36.13 15.21.3 9.15.14 10.1.13 9.23.9 9.7.12 6.37.6 13.25.3 4.45.10 13.1.7 8.41.13 1.5.6 2.25.5 14.50.11 13.19.15 16.32.7 15.1.13 13.16.6 15.30.11 7.14.7 5.47.2 1.28.13 11.23.1 20.5.1 10.27.3 6.21.13 20.32.9 13.36.1... | 16.1.6 12.27.12 9.15.14 13.4.5 14.46.11 9.3.13 16.48.8 19.3.15 20.43.8 20.38.8 7.14.5 13.33.14 4.42.15 19.36.13 15.21.3 9.15.14 10.1.13 9.23.9 9.7.12 6.37.6 13.25.3 4.45.10 13.1.7 8.41.13 1.5.6 2.25.5 14.50.11 13.19.15 16.32.7 15.1.13 13.16.6 15.30.11 7.14.7 5.47.2 1.28.13 11.23.1 20.5.1 10.27.3 6.21.13 20.32.9 13.36.1... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | book_cipher | book_cipher | null | {} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0021412 | 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 ... | 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 ... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 137 | 137 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
morse-code-v3-0093 | .-- . / .... --- .-.. -.. / - .... . ... . / - .-. ..- - .... ... / - --- / -... . / ... . .-.. ..-. / . ...- .. -.. . -. - / - .... .- - / .- .-.. .-.. / -- . -. / .- .-. . / -.-. .-. . .- - . -.. / . --.- ..- .- .-.. / - .... .- - / - .... . -.-- / .- .-. . / . -. -.. --- .-- . -.. / -... -.-- / - .... . .. .-. / -.-... | .-- . / .... --- .-.. -.. / - .... . ... . / - .-. ..- - .... ... / - --- / -... . / ... . .-.. ..-. / . ...- .. -.. . -. - / - .... .- - / .- .-.. .-.. / -- . -. / .- .-. . / -.-. .-. . .- - . -.. / . --.- ..- .- .-.. / - .... .- - / - .... . -.-- / .- .-. . / . -. -.. --- .-- . -.. / -... -.-- / - .... . .. .-. / -.-... | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 445 | 648 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0158 | SDZIFWPIGIBIA | SDZIFWPIGIBIA | E PLURIBUS UNUM | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0015907 | ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w22⟩ ⟨a25⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ | ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w22⟩ ⟨a25⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | babington | babington | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
autokey-v2-0658 | VFCLMVLKBXRRQRMFV | VFCLMVLKBXRRQRMFV | COURAGE IN DARKNESS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
trifid-260 | ISABEJCIBEMUQNHMI | ISABEJCIBEMUQNHMI | CRYPTOGRAPHY RULES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "TRIFID"
} | advanced | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v3-0140 | UFOJWHMSLDZOWBGOZZ | UFOJWHMSLDZOWBGOZZ | GRAVITY EXPLAINS ALL | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0138 | LEJIPDDTYKRCIYQLFFN | LEJIPDDTYKRCIYQLFFN | MISSION ACCOMPLISHED | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1504 | VRTFYTPLYUUQAZHDMSQPYLROIZTCXIUCZSOHNTIZVWKVKCETSRZBBAJNAKQQAJSWJICXPIHLBUZSZXVBBQDJXRV | VRTFYTPLYUUQAZHDMSQPYLROIZTCXIUCZSOHNTIZVWKVKCETSRZBBAJNAKQQAJSWJICXPIHLBUZSZXVBBQDJXRV | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
m209-260 | AMFPIPXLDNXDNHRXL | AMFPIPXLDNXDNHRXL | CRYPTOGRAPHY RULES | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
playfair-es-067 | NXGWPNZDLYBCBDRBSYLCHVBFKUBV | NXGWPNZDLYBCBDRBSYLCHVBFKUBV | QUIEN MUCHO ABARCA POCO APRIETA | playfair | playfair | substitution | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | es | 28 | 28 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v2-0220 | QCRSRHFOBGAWGGWCBWBRWQOHSGSBSAMTCFQSGOGGSAPZWBUOZCBUHVSPCFRSFKWHVVSOJMOFHWZZSFMIBWHG | QCRSRHFOBGAWGGWCBWBRWQOHSGSBSAMTCFQSGOGGSAPZWBUOZCBUHVSPCFRSFKWHVVSOJMOFHWZZSFMIBWHG | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0249 | WWAXHFIDAELE55F4WIL56 | WWAXHFIDAELE55F4WIL56 | THE TELEGRAPH TRANSMITS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0519 | DSOXHNQUWOHUGIAC | DSOXHNQUWOHUGIAC | ABORT AND WITHDRAW | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
affine-la-056 | QHAHC QXUH ZNK ZXCF | QHAHC QXUH ZNK ZXCF | NIHIL NOVI SUB SOLE | affine | affine | substitution | {
"type": "keyword",
"value": "7,3"
} | beginner | la | 16 | 19 | cipher_museum | 0.2 | public | null | null |
cda-0015120 | 1.3.3 5.1.3 8.5.3 19.5.3 13.5.7 18.3.9 8.4.1 16.1.10 8.6.5 4.5.4 18.5.7 7.3.4 9.2.1 8.3.9 7.3.10 4.4.1 17.1.7 6.6.8 15.3.5 11.3.3 5.2.9 10.3.4 14.6.5 4.6.5 2.2.1 19.2.10 1.3.3 6.6.10 18.4.9 8.6.10 3.6.10 17.4.6 3.3.6 15.3.2 2.3.9 4.4.8 12.4.4 3.6.9 5.6.2 14.2.6 4.6.9 18.4.5 13.4.4 7.1.4 2.3.9 15.1.4 6.4.8 14.3.1 1.2.3 ... | 1.3.3 5.1.3 8.5.3 19.5.3 13.5.7 18.3.9 8.4.1 16.1.10 8.6.5 4.5.4 18.5.7 7.3.4 9.2.1 8.3.9 7.3.10 4.4.1 17.1.7 6.6.8 15.3.5 11.3.3 5.2.9 10.3.4 14.6.5 4.6.5 2.2.1 19.2.10 1.3.3 6.6.10 18.4.9 8.6.10 3.6.10 17.4.6 3.3.6 15.3.2 2.3.9 4.4.8 12.4.4 3.6.9 5.6.2 14.2.6 4.6.9 18.4.5 13.4.4 7.1.4 2.3.9 15.1.4 6.4.8 14.3.1 1.2.3 ... | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | arnold_andre | arnold_andre | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
commercial-code-021 | BABAB ZUZUZ CAZUZ WAZUZ LAZUZ FAZUZ JAZUZ GAZUZ XUZUZ HABAB ZUZUZ XAZUZ GAZUZ DAZUZ BEZUZ WAZUZ GAZUZ FAZUZ XUZUZ | BABAB ZUZUZ CAZUZ WAZUZ LAZUZ FAZUZ JAZUZ GAZUZ XUZUZ HABAB ZUZUZ XAZUZ GAZUZ DAZUZ BEZUZ WAZUZ GAZUZ FAZUZ XUZUZ | THE BRIDGE IS SECURED | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 95 | 113 | cipher_museum | 0.2 | public | null | null |
cda-0017376 | ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA AB... | ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA AB... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | bacon_cipher | bacon_cipher | null | {} | hard | en | 695 | 695 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
rot13-019 | AB CEVFBAREF GNXRA | AB CEVFBAREF GNXRA | NO PRISONERS TAKEN | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v2-0252 | 5MSDV44FHKA7WLMMVJZA4I2SECXKDFPVSXJYGEKA7YHGQA6XJOMDXF6QFFFWCTZAATDYHKYADAZ6K7ZFH774Z3JGCCYGYVM23LTHQKE33PNPVCU4JGNI763PNFJDXX2GNKCXLMMHA4XJLDXA2WY2MBJSB4J4QACU4KDFWD3VN2PB23ZPZS4 | 5MSDV44FHKA7WLMMVJZA4I2SECXKDFPVSXJYGEKA7YHGQA6XJOMDXF6QFFFWCTZAATDYHKYADAZ6K7ZFH774Z3JGCCYGYVM23LTHQKE33PNPVCU4JGNI763PNFJDXX2GNKCXLMMHA4XJLDXA2WY2MBJSB4J4QACU4KDFWD3VN2PB23ZPZS4 | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-021 | 1421 0472 0285 0074 1255 0538 0219 0408 0285 0538 1346 1346 0285 0156 1503 1255 0285 0219 | 1421 0472 0285 0074 1255 0538 0219 0408 0285 0538 1346 1346 0285 0156 1503 1255 0285 0219 | THE BRIDGE IS SECURED | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 72 | 89 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v2-1027 | LKJSVLS DVQ ARRJ IVOR | LKJSVLS DVQ ARRJ IVOR | CONTACT HAS BEEN MADE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VALOR"
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0008052 | TIGDV HNPBN MEGES HXFME XHWHC LITWV IMGYL NBETR FPYCX XHXAZ GOHFT ZVNZL ACOIF VBPPZ YSUBL XRSES PLRIK EWOMZ UAQXT VFVYH AXQTR FUOIY ZLZOB PCHSC SPVBM ONFZT TJQQ | TIGDV HNPBN MEGES HXFME XHWHC LITWV IMGYL NBETR FPYCX XHXAZ GOHFT ZVNZL ACOIF VBPPZ YSUBL XRSES PLRIK EWOMZ UAQXT VFVYH AXQTR FUOIY ZLZOB PCHSC SPVBM ONFZT TJQQ | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | trithemius | trithemius | null | {} | hard | en | 134 | 134 | synthetic_educational | null | null | [] | |
jefferson-disk-v2-0189 | HFILEJVZMNJJGZVZLJAZSYETDPPFNJMHKBQZRMSIQBXPNZICILITSJHHBKPTADZOJLBZGKBCHFVYXDA | HFILEJVZMNJJGZVZLJAZSYETDPPFNJMHKBQZRMSIQBXPNZICILITSJHHBKPTADZOJLBZGKBCHFVYXDA | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0003261 | FSOOAICMLORTSEEHBRTUMAAESTNTIAEAEEHSREECULIRIDTASUPPTDNREBSATHRDSDLIUSUTHETITANYILTIEMUECSRLBIEAEFLTCRNPHTSASRLAEOSORCRFEBOEGHEEHKEXOPNGTNSHTETADVTAACOEHX | FSOOAICMLORTSEEHBRTUMAAESTNTIAEAEEHSREECULIRIDTASUPPTDNREBSATHRDSDLIUSUTHETITANYILTIEMUECSRLBIEAEFLTCRNPHTSASRLAEOSORCRFEBOEGHEEHKEXOPNGTNSHTETADVTAACOEHX | FAIL CLOSED IS A POSTURE NOT A SLOGAN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ATBASH ENCODES BY REVERSING THE ALPHABET THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | scytale | scytale | null | {
"cols": 7
} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
gronsfeld-070 | VOFXCERBOGKZEMNKCFZGF | VOFXCERBOGKZEMNKCFZGF | THE PACKAGE IS DELIVERED | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "27182"
} | intermediate | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
solitaire-v2-0025 | LLAKKTRLRUIUCM | LLAKKTRLRUIUCM | TRUST BUT VERIFY | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0006 | SBTCQKCPTQODANHI | SBTCQKCPTQODANHI | THE GATES HOLD FIRM | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0531 | CHPEKRRKKHZCDSEUYINIDSMUQDIFWVSFBSHLKVRKKQMUPYCKWZITOOKGWZSTQBWHHHKSLAREQB | CHPEKRRKKHZCDSEUYINIDSMUQDIFWVSFBSHLKVRKKQMUPYCKWZITOOKGWZSTQBWHHHKSLAREQB | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0039 | 60 05 24 16 05 18 09 13 05 14 20 03 15 14 06 09 18 13 19 | 60 05 24 16 05 18 09 13 05 14 20 03 15 14 06 09 18 13 19 | THE EXPERIMENT CONFIRMS | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
cda-0011038 | IOFHB TLJWR XNUQS CSVEX UNQOC RLFVW IWLYM ZEPZP MSYJL KCWQQ GNNDN DWXOJ IUMTB USGIK WTWCS EWLOE GURXK JCASE KZOIJ VJL | IOFHB TLJWR XNUQS CSVEX UNQOC RLFVW IWLYM ZEPZP MSYJL KCWQQ GNNDN DWXOJ IUMTB USGIK WTWCS EWLOE GURXK JCASE KZOIJ VJL | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | trithemius | trithemius | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [] | |
red-type-a-v2-0186 | KKUYHWVUINIPPZYYQGFRUHUIQAPCIHEYVWUPYUORUXQPUJUBUHLAUGUIXOCJIPFBIXAUT | KKUYHWVUINIPPZYYQGFRUHUIQAPCIHEYVWUPYUORUXQPUJUBUHLAUGUIXOCJIPFBIXAUT | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0097 | INTHESEVENTEENTHCENTURYIWAACNEWTPNSYNXHESIZEDTHEWORKOBCOPERNICUSGALILEOANDKFPLERINXOAUNIBIEDTHEORYOFGRAVITATIONXHATEXPKAINEDBOTHTHEFALLOFAPLPESANDTHEORBITSOFPLANFTS | INTHESEVENTEENTHCENTURYIWAACNEWTPNSYNXHESIZEDTHEWORKOBCOPERNICUSGALILEOANDKFPLERINXOAUNIBIEDTHEORYOFGRAVITATIONXHATEXPKAINEDBOTHTHEFALLOFAPLPESANDTHEORBITSOFPLANFTS | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
trifid-vg-0026 | NPSSYCXDIKVICIJIUMENGOOOMJMWWSXHEWVM+HBEFPSIRIIFRJSUBYLTIKTVJYUEKEGOLV | NPSSYCXDIKVICIJIUMENGOOOMJMWWSXHEWVM+HBEFPSIRIIFRJSUBYLTIKTVJYUEKEGOLV | MY GRACE IS SUFFICIENT FOR YOU FOR MY STRENGTH IS MADE PERFECT IN YOUR WEAKNESS ALONE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
cda-0016354 | ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ¬ ⌒· ┌· L K· L ┌· X Γ· ─ ¬· K r· L ⌐ └ ┐· r· ⌐ ¬ L K r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ | ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ¬ ⌒· ┌· L K· L ┌· X Γ· ─ ¬· K r· L ⌐ └ ┐· r· ⌐ ¬ L K r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ | ATBASH ENCODES BY REVERSING THE ALPHABET HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | pigpen | pigpen | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
columnar-transposition-v2-1067 | LNCWFTINNLSGESHHLGAEATENLONODILOADLNDUIEEIHESGEGSHSWFTHEIHNDTDHHBAATARNF | LNCWFTINNLSGESHHLGAEATENLONODILOADLNDUIEEIHESGEGSHSWFTHEIHNDTDHHBAATARNF | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
running-key-054 | PVBGEQSGRX | PVBGEQSGRX | TRUST NO ONE | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Declaration paraphrase"
} | intermediate | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
argenti-v3-0290 | 46 29 44 49 77 11 33 65 33 20 63 64 61 18 87 36 28 38 69 64 63 16 27 11 65 58 28 21 75 39 44 23 87 38 11 33 42 63 41 61 71 65 59 68 28 44 75 29 24 77 11 64 39 49 71 69 38 29 27 22 77 69 20 39 37 71 42 39 44 23 75 59 28 15 27 11 28 11 89 28 77 46 71 33 11 | 46 29 44 49 77 11 33 65 33 20 63 64 61 18 87 36 28 38 69 64 63 16 27 11 65 58 28 21 75 39 44 23 87 38 11 33 42 63 41 61 71 65 59 68 28 44 75 29 24 77 11 64 39 49 71 69 38 29 27 22 77 69 20 39 37 71 42 39 44 23 75 59 28 15 27 11 28 11 89 28 77 46 71 33 11 | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 170 | 254 | cipher_museum | 2.0 | public | null | null |
cda-0020435 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a29⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a29⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a... | THE VIGENERE CIPHER USES A REPEATING KEYWORD HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | babington | babington | null | {} | hard | en | 117 | 117 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
lorenz-107 | VENIVIDIVICIICAMEISAWICONQUEVEDALLINASINGLEBATTLE | VENIVIDIVICIICAMEISAWICONQUEVEDALLINASINGLEBATTLE | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | lorenz | lorenz | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
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